The Breeding Bird Survey 2013
Author(s): Harris, S.J., Risely, K., Massimino, D., Newson, S.E., Eaton, M.A., Musgrove, A.J., Noble, D.G., Procter, D. & Baillie, S.R.
Published: August 2014 Issue No.: 658
Publisher: British Trust for Ornithology
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Making the most of BirdTrack data
We have been working to produce useful summaries for bird reports using data from the millions of annual BirdTrack records.